(19)
(11) EP 0 858 189 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
22.06.2005 Bulletin 2005/25

(43) Date of publication A2:
12.08.1998 Bulletin 1998/33

(21) Application number: 98101286.7

(22) Date of filing: 26.01.1998
(51) International Patent Classification (IPC)7: H04L 12/46, H04L 12/56, H04L 29/14, H04L 29/06
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 05.02.1997 JP 2240297

(71) Applicant: Hitachi, Ltd.
Chiyoda-ku, Tokyo 101 (JP)

(72) Inventors:
  • Maciel, Frederico Buchholz
    Kokubunji-shi, Tokyo (JP)
  • Kitai, Katsuyoshi
    Tokyo (JP)
  • Higuchi, Tatsuo
    Hillsboro, OR 97124 (US)
  • Yoshizawa, Satoshi
    Musashino-shi, Tokyo (JP)
  • Murahashi, Hideki
    Hachiouji-shi, Tokyo (JP)

(74) Representative: Beetz & Partner Patentanwälte 
Steinsdorfstrasse 10
80538 München
80538 München (DE)

   


(54) Networking method


(57) This invention provides dynamic balance of the traffic among data processing devices interconnecting networks and thereby improve the networking performance. For network traffic flowing between a first network and a second network, the traffic is distributed among the data processing devices that act as routers according to the traffic amount. An algorithm for balancing the traffic is used to select appropriate data processing devices as routers.






Search report